Author:
Fujiwara Kotaro,Imai Michio,Taira Yohei,Kawabata Junichi,Ota Nobuyuki,Hayasaka Yota,Takanashi Daisuke
Abstract
We show an experimental result of the durability of optical fiber sensors. After being installed for over 15 years, it successfully measured micro-strain caused by a person standing on the bridge.